Although recent years have seen substantial reductions in noxious pollutants from individual motor vehicles, the number of such vehicles has been steadily increasing. Consequently, more than 100 citie...
The complications frequently accompanying diabetes, such as impairment of vision and of kidney function, are now thought to result from the lack of continuous control of blood glucose concentrations. ...
The intensive work of materials scientists and solid-state physicists has given rise to a class of solids known as amorphous metallic alloys or glassy metals. There is a growing interest among theoret...
Historians have only recently begun to note the increase in demand for luxury goods and services that took place in eighteenth-century England. McKendrick has explored the Wedgwood firm’s remarkable s...
1. Relaxation, _______ fresh air, pure water and clean food, is essential to a soundmind and healthy body.A. much less than B. no less thanC. no more than D. any less than2. It is far better to do wel...
1. The students were much encouraged _______ a chance to talk with the Americans in English.A. to get B. gotten C. to have got D. having got2. When a person is in a happy frame ofmind, he may agree on...
1. The studies show that the driver who has consumed an amount of alcohol within the limit is likely to have an automobile accident than the driver who does not take any alcohol.A. not so B. not much ...
1. He would always ignore the fact of such a contradiction in his inner thought.A. there to be B. there being C. it being D. there having been2. A convenient way is to set the food on a piece of alumi...
1. If you have been generous to a person for a period of time, it is most likely that the person will take advantage of your generosity and trade on your “weakness” become appreciative of your kindnes...
1. After people have learned that magnets attract things, centuries passed ____ they took note of the fact that magnets sometimes also repel things.A. before B. until C. after D. since2. He is off to ...